This document describes several case studies across different domains including industrial automation, home automation, consumer electronics, defense, and SMAC. The case studies include developing mobile apps, web services, IoT solutions, and more. Examples provided are a paint industry mobile app, an industrial automation HMI, generator monitoring system, home security device, music player, infotainment system, and a real estate property booking system. The document highlights technologies used such as Android, iOS, .NET, various sensors, cloud platforms, and more.